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A gem of the color like a pomegranate-Garnet 18k gold jewelry set

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The color of garnet is rich, and there are various colors other than blue.

Color is an important factor in determining the value of garnet. Demantoid and green series of garnets are higher in value than other colors of garnets; except for green, orange-yellow spessartine, red magnesia and dark red almandine have successively lower values.

Magnesium garnet is our common gemstone, and its commercial name is rhodolite. The color of gem-grade magnesia garnet is usually medium to deep orange red, qizil, light yellow red or light pink. A small amount of magnesia garnet has a discoloration effect. Large, pure and beautiful magnesia garnets are expensive. The most famous origin is Trebnitz in Czechoslovakia, usually called Bohemian garnet.

Almandine is the most common type of garnet, sometimes called garnet. The color of gem-grade almandine is orange-red, purple-red, and brown-red, and the color is a little bit too much. It is often processed into a concave-convex surface to reduce the thickness of the gem and show the color. Almandine can produce cat-eye effect or starlight.

According to the color, the garnet can be divided into demantoid, yellow garnet and melanite. Ular orasida, demantoid is bright green because of its chromium content. It is one of the most valuable varieties in pomegranate. price. Demantoid from the Ural Mountains in Russia has very obvious fibrous asbestos inclusions shaped like horsetails.

Hydrogarmanite is a variant of Garnet. The color of gem-grade hydrocalinite is mainly green, and there are also a small amount of pink and colorless. It is often aggregated. It appears red under the Charles lens and contains black dot-like inclusions.

Rubies and red spinels are similar to garnets. Ruby is a heterogeneous body, with dichroism, characteristically low chromium, and has obvious fluorescence reaction. It may have a straight belt, and needle-like inclusions can form an angle of 120 degrees; spinel has a low refractive index and is fluorescent In response, octahedral-shaped inclusions can be seen. Garnet is a homogeneous body, no dichroism, no reaction under Charles microscope, but may have ponytail-like inclusions.

The high-quality hydrocalinite is bright green, very similar to jadeite. The hydrocalinite often has black spots, and the red zone has no characteristic absorption.

Magnesia garnet is mainly produced in the United States and the Czech Republic; Almandine is mainly produced in India, the United States, Sri Lanka, Pakistan, va hokazo.; Andronite is mainly produced in Russia, Zaire, South Korea, and the United States; Produced in South Africa, Canada, the United States, and China.

 

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